{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "While total volatile percentages ranged from 68 . 99 % to 84 . 57 % , the total essential oil yields ranged between 38 . 15 % and 64 . 05 % ."}
{"Chemical": []}